The Journey Through the Digestion Process

THE JOURNEY THROUGH THE DIGESTION PROCESS MARSHA EDWARDS HS 130, dent 9 KAPLAN UNIVERSITY 02 OCTOBER 2012 Ok folks we ar about to embark on our voyage finished the digestive system. Is everyone ready for takeoff? here(predicate) weeeeee goooooooo! Whoosh! It is in the mouth, that the institute beef parts its journey through the fabulous digestive system. It is here that the lips, cheeks and tongue, conservatively position the solid sustenance that the teeth will chew. This scraunch plow breaks up the burger, this universe a part of windup(prenominal) digestion. bit the teeth grind up the hamburger, the spitry glands begin emitting enzymes, these enzymes being contained in expectoration. This saliva helps to dissolve some foods, and adds mucous secretion to pay the foods passage through the digestive system a scant(p) more speedy. Did I say speedy? meek on to your shorts everyone! The saliva everyplacely attacks dangerous microorganisms which light out the mouth. Saliva also contains an enzyme which helps to break floor carbohydrates into sugars. As the hamburger is being scope and coated with saliva, its passed over the sample buds, which in turn perpetrate messages to the brain. The brain uses this information to go down whether or not the food should be sw all in allowed.

The food is past self-possessed into a ball, called a bolus, and it is pushed down into the throat by way of the tongue. Hold On everyone. This bolus of hamburger is then passed down the esophagus, the esophagus being a 24cm long tube which connects the pharynx and assume. lining the walls of the esophagus all around you are sound of muscleman which contract in waves, pushing the bolus down the length of the esophagus. At the base of the esophagus, over there where the esophagus and patronage join, a thick circle of muscle is called a anatomical sphincter. At the press down can of esophagus, here is an esophageal sphincter which acts as a portal which allows food to enter the stomach and then squeezes closed in(p) to nourish food or melted from flowing seat up into the esophagus. Do you...If you want to cleave a expert essay, do it on our website: Ordercustompaper.com

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